package virtigolib

import (
	"context"
	"errors"
	"fmt"

	"go.wit.com/lib/protobuf/virtbuf"
)

var me context.Context
var myClient CloudAPIClient

// CloudManager is a concrete implementation of the Manager interface.
type CloudManager struct {
	// client represents a hypothetical API client for interacting with the cloud.
	client  CloudAPIClient
	cluster *virtbuf.NewCluster
}

// CloudAPIClient defines the methods required from the API client.
// This is useful if you want to mock this client for testing.
type CloudAPIClient interface {
	GetDropletByName(name string) (*virtbuf.Droplet, error)
	StartCluster(ctx context.Context, clusterID string) error
	StopCluster(ctx context.Context, clusterID string) error
	ListClusters(ctx context.Context) ([]*virtbuf.NewCluster, error)
	GetClusterStatus(ctx context.Context, clusterID string) (string, error)
}

func NewCloud() *CloudManager {
	// client := NewRealCloudAPIClient() // This should be replaced with a real implementation
	clusterManager := NewCloudManager(myClient)

	me = context.Background()
	return clusterManager
}

// NewCloudManager creates a new CloudManager with the provided API client.
func NewCloudManager(client CloudAPIClient) *CloudManager {
	return &CloudManager{client: client}
}

// FindByName retrieves a cluster by name.
func (m *CloudManager) FindDropletByName(name string) (*virtbuf.Droplet, error) {
	d, err := m.client.GetDropletByName(name)
	if err != nil {
		return nil, fmt.Errorf("error finding cluster by name %q: %w", name, err)
	}
	return d, nil
}

// Start initiates the startup process for the specified cluster.
func (m *CloudManager) Start(ctx context.Context, cluster *virtbuf.NewCluster) error {
	if cluster == nil {
		return errors.New("cluster cannot be nil")
	}
	/*
		err := m.client.StartCluster(ctx, cluster.Id)
		if err != nil {
			return fmt.Errorf("error starting cluster %q: %w", cluster.Id, err)
		}
	*/
	return nil
}

// Stop halts the specified cluster.
func (m *CloudManager) Stop(ctx context.Context, cluster *virtbuf.NewCluster) error {
	if cluster == nil {
		return errors.New("cluster cannot be nil")
	}
	/*
		err := m.client.StopCluster(ctx, cluster.Id)
		if err != nil {
			return fmt.Errorf("error stopping cluster %q: %w", cluster.Id, err)
		}
	*/
	return nil
}

// List retrieves all available clusters.
func (m *CloudManager) List(ctx context.Context) ([]*virtbuf.NewCluster, error) {
	/*
		clusters, err := m.client.ListClusters(ctx)
		if err != nil {
			return nil, fmt.Errorf("error listing clusters: %w", err)
		}
		return clusters, nil
	*/
	return nil, errors.New("List not done yet")
}

// Status checks the current status of a specified cluster.
func (m *CloudManager) Status(ctx context.Context, cluster *virtbuf.NewCluster) (string, error) {
	if cluster == nil {
		return "", errors.New("cluster cannot be nil")
	}
	/*
		status, err := m.client.GetClusterStatus(ctx, cluster.Id)
		if err != nil {
			return "", fmt.Errorf("error getting status of cluster %q: %w", cluster.Id, err)
		}
	*/
	return "", nil
}